Estimation of the IV Regression Model

question 1

Multiple Choice

Estimation of the IV regression model

• A)requires exact identification.
• B)allows only one endogenous regressor, which is typically correlated with the error term.
• C)requires exact identification or overidentification.
• D)is only possible if the number of instruments is the same as the number of regressors.

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Definitions:

Multiaxial

Characterized by movement or rotation around multiple axes, often used to describe joints in the human body.

Ball-and-Socket

A Ball-and-Socket joint is a type of synovial joint where a ball-shaped head of one bone fits into a concave socket of another, allowing multidirectional movement and rotation.

Plane Joint

A type of synovial joint that allows for only gliding movement in various planes, commonly found in the carpals of the wrist.

Opposition

The movement that involves bringing the thumb and a finger together.